This is an excellent budget option for travelers looking to experience a mostly Thai neighborhood and escape the backpackers scene. If you are a first time visitor to Bangkok make sure you figure out the river ferry transportation system as it makes Guang's place convenient for accessing the Old Town.
We loved our stay at Guang's place. He and his mother were warm and flexible hosts. We arrived on an early morning train and they welcomed us to drop our bags and rest downstairs before the room opened up at 2pm.
The room itself is simply decorated, clean and comfortable. It is on the 4th floor so make sure you can carry your bags. The AC worked well and the shared bathroom was located right outside the room.
Our favorite part of the stay was feeling like we were truly guests in a family home. Guang's mother is an excellent cook and made us wonderful breakfast each morning. In the evening Guang and his brother invited us to join in the family's preparations for the upcoming New Year celebration. We learned how to fold lotuses and join him taking food to local monks.
Overall, highly recommended!